Here are the links to download the movies:

S90/Motif:

Windows Media: http://messe.yamaha.de/movies/300k_wmv/KEYBOARD%20BLOND_300k.wmv

Quicktime: http://messe.yamaha.de/movies/300k_mov/KEYBOARD%20BLOND_300k.mov

Tyros:

Windows Media: http://messe.yamaha.de/movies/300k_wmv/KEYBOARD%20SCHWARZ_300k.wmv

Quicktime: http://messe.yamaha.de/movies/300k_mov/KEYBOARD%20SCHWARZ_300k.mov

Hope this helps,
Greetz ,
Marcel